Hello everyone, Im super new to coding but increasingly in need of it at work. Im have task stacked because of this problems, that I cannot figure out how to solve looking on the internet after trying many many things that looked similar to me.
I have multiple data files of the form (see below).
My question is how can I copy the two columns with the size and rotation data, which is the only one that I need from the file. And then how to do that for several (1000) data files like this.
Thank you very much in advance
Code:
text text text text text
text texttexttexttext texttexttext
text text text text text text
X=size
Y_rotation
45.000000 87.611985
47.812500 85.219808
42.187500 85.219808
45.000000 82.819244
50.625000 82.819244
other text other text other text
other text
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Thank You.
Hi,
What you need is a parser. I doubt you can find one that answers exactly your need because we have not a universal parser and every one has a particular data file format.
So, in a first time, you must write a parser for one file, than you can make it process all the files in a directory.
Parsing, in this case, is basicaly, String processing, you will your file line after another until the begining of data and stop when the data end.
Very difficult to talk about it without specifying additional informations about the file or the programing language.
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:EDIT:
I think my post name should have been labeled: how to copy files and record original file location. not "retain".
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Discussion started by: ejianu
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LEARN ABOUT DEBIAN
ppmquantall
ppmquantall(1) General Commands Manual ppmquantall(1)NAME
ppmquantall - run ppmquant on a bunch of files all at once, so they share a common colormap
SYNOPSIS
ppmquantall [-ext extension] ncolors ppmfile ...
DESCRIPTION
Takes a bunch of portable pixmap as input. Chooses ncolors colors to best represent all of the images, maps the existing colors to the new
ones, and overwrites the input files with the new quantized versions.
If you don't want to overwrite your input files, use the -ext option. The output files are then named the same as the input files, plus a
period and the extension text you specify.
Verbose explanation: Let's say you've got a dozen pixmaps that you want to display on the screen all at the same time. Your screen can
only display 256 different colors, but the pixmaps have a total of a thousand or so different colors. For a single pixmap you solve this
problem with ppmquant; this script solves it for multiple pixmaps. All it does is concatenate them together into one big pixmap, run
ppmquant on that, and then split it up into little pixmaps again.
(Note that another way to solve this problem is to pre-select a set of colors and then use ppmquant's -map option to separately quantize
each pixmap to that set.)
SEE ALSO ppmquant(1), ppm(5)AUTHOR
Copyright (C) 1991 by Jef Poskanzer.
27 July 1990 ppmquantall(1)
01-24-2019
